Number Math Tricks

Math::Numbers is a Perl module that contains methods for mathematical approaches of concepts of the number theory. SYNOPSIS use Math::Numbers; my $a = 123; my $b = 34; my $numbers = Math::Numbers->new($a, $b [, ...]); print "They are coprimes (relatively primes)!n" if...

eCalc is a free Windows calculator with basic and scientific functions. The calculator is designed with a high level of aesthetics, including large buttons and an easy to read display. The calculator operates with a frameless border and stays open above your other programs - making it an ideal...

This game is played by 4 players. Each player is dealt 13 cards and the game is played trick by trick. The player who starts the trick lays one card, and the other players must follow suit if he can. The player who layed the highest numbered card (A is the highest, 2 is the lowest) wins the...


Platforms: Windows

In this JSoundCard software, generating (speakers) and receiving (microphone) realtime audio is as easy as a loop that uses numbers from -1 to 1 for the amount of electricity that should be in the speaker/microphone wire at that time. There are no codecs or compression. Those things are for...


Platforms: Mac

Math::BaseArith is a Perl extension for mixed-base number representation (like APL encode/decode). SYNOPSIS use Math::BaseArith; encode( value, base_list ); decode( representation_list, base_list ); The inspiration for this module is a pair of functions in the APL programming language...


Platforms: *nix

Math::BaseCnv is a fast functions to convert between number bases. SYNOPSIS use Math::BaseCnv; # Convert 63 from base-10 (decimal) to base-2 (binary) $binary_63 = cnv( 63, 10, 2 ); BaseCnv provides a few simple functions for converting between arbitrary number bases. It is as fast as I...


Platforms: *nix

This is a tool that makes making math worksheets easier than ever. Just a few clicks and you're on. The limits are almost unlimited as it can get 300 math problems on a worksheet without even making it look compacted. Supports bold printing mode also. It allows you to put a title, select the type...


Platforms: Windows, *nix

Math::Telephony::ErlangC is a Perl extension for Erlang C calculations. SYNOPSIS use Math::Telephony::ErlangC; # Evaluate probability that a service request will have to wait $wprob = wait_probability($traffic, $servers); # Probability that the wait time will be less than a fixed maximum...


Platforms: *nix

Math::Telephony::ErlangB is a Perl extension for Erlang B calculations. SYNOPSIS use Math::Telephony::ErlangB qw( :all ); # Evaluate blocking probability $bprob = blocking_probability($traffic, $servers); $gos = gos($traffic, $servers); # Same result as above # Dimension minimum number...


Platforms: *nix

Math::Expr is a Perl module that parses mathematical expressions. SYNOPSIS require Math::Expr; $p=new Math::Expr; $e=$p->Parse("a+4*b-d/log(s)+f(d,e)"); Parses mathematical expressions into a tree structure. The expressions may contain integers, real numbers, alphanumeric variable names,...


Platforms: *nix

Math::BaseCalc is a Perl module that can convert numbers between various bases. SYNOPSIS use Math::BaseCalc; my $calc = new Math::BaseCalc(digits => [0,1]); #Binary my $bin_string = $calc->to_base(465); # Convert 465 to binary $calc->digits(oct); # Octal my $number =...


Platforms: *nix

Math::Pari is a Perl interface to PARI. SYNOPSIS use Math::Pari; $a = PARI 2; print $a**10000; or use Math::Pari qw(Mod); $a = Mod(3,5); print $a**10000; This package is a Perl interface to famous library PARI for numerical/scientific/number-theoretic calculations. It allows use of...


Platforms: *nix

SYNOPSIS use Math::MatrixReal; use Math::MatrixReal::Aug; These are certain extra methods for Math::MatrixReal, in the tradition of Math::MatrixReal::Ext1; $matrix1->augmentright($matrix2); Creates a new matrix of the form [$matrix1 $matrix2]. $matrix1 and $matrix2 must have the same...


Platforms: *nix

Math::Random::MT::Auto is a Perl module for auto-seeded Mersenne Twister PRNGs. SYNOPSIS use strict; use warnings; use Math::Random::MT::Auto qw(rand irand shuffle gaussian), /dev/urandom => 256, random_org; # Functional interface my $die_roll = 1 + int(rand(6)); my $coin_flip =...


Platforms: *nix

Math::Amoeba is a Multidimensional Function Minimization. SYNOPSIS use Math::Amoeba qw(ConstructVertices EvaluateVertices Amoeba MinimiseND); my ($vertice,$y)=MinimiseND(@guess,@scales,&func,$tol,$itmax,$verbose); my @vertices=ConstructVertices(@vector,@offsets); my...


Platforms: *nix

Math::Calc::Euro is a Perl module to convert between EUR and the old currencies. SYNOPSIS my $guildercalc = Math::Calc::Euro->new(NLG) print $guildercalc->to_euro(1), "n"; # 0.45378... print $guildercalc->from_national(1), "n"; # same print $guildercalc->to_national(1), "n"; # 2.20371...


Platforms: *nix

Math::NumberCruncher Perl module contains a collection of useful math-related functions. SYNOPSIS It should be noted that as of v4.0, there is now an OO interface to Math::NumberCruncher. For backwards compatibility, however, the previous, functional style will always be supported. # OO...


Platforms: *nix

RPN is a Perl extension for Reverse Polish Math Expression Evaluation. SYNOPSIS use Math::RPN; $value=rpn(expr...); @array=rpn(expr...); expr... is one or more scalars or lists of scalars which contain RPN expressions. An RPN expression is a series of numbers and/or operators separated...


Platforms: *nix

Number::WithError is a Perl module that contains numbers with error propagation and scientific rounding. SYNOPSIS use Number::WithError; my $num = Number::WithError->new(5.647, 0.31); print $num . "n"; # prints 5.65e+00 +/- 3.1e-01 # (I.e. it automatically does scientific rounding) my...


Platforms: *nix

Math::BigInt::Calc is a pure Perl module to support Math::BigInt. SYNOPSIS Provides support for big integer calculations. Not intended to be used by other modules. Other modules which sport the same functions can also be used to support Math::BigInt, like Math::BigInt::GMP or...


Platforms: *nix